Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of display screen or portion thereof with graphical user interface showing the new design.

The dot-dash lines in the figure represent an unclaimed boundary line and form no part of the claimed design.

The broken line showing of alphanumeric characters and icons is for environmental purposes only and forms no part of the claimed design. The showing of the outer perimeter of the display screen forms part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 